1. Manila (MNL) to Moscow (SVO): Approximately 12-14 hours (non-stop)
2. Cebu (CEB) to Moscow (SVO): Approximately 13-15 hours (non-stop)
3. Manila (MNL) to St. Petersburg (LED): Approximately 13-15 hours (non-stop)
4. Cebu (CEB) to St. Petersburg (LED): Approximately 14-16 hours (non-stop)
These flight times are approximate and may vary depending on factors such as weather conditions, wind direction, and the type of aircraft used. Additionally, layovers and stopovers at connecting airports can add to the total travel time. It's always a good idea to check with your chosen airline or a flight booking website for the most up-to-date flight times and schedules.