| Gebze to Orthez | 1,549.85 mi (2,494.25 km) |
| Gebze to Orvault | 1,594.20 mi (2,565.61 km) |
| Gebze to Osny | 1,445.25 mi (2,325.91 km) |
| Gebze to Ostwald | 1,188.27 mi (1,912.34 km) |
| Gebze to Ouistreham | 1,550.97 mi (2,496.05 km) |
| Gebze to Oullins | 1,279.11 mi (2,058.52 km) |
| Gebze to Outreau | 1,494.22 mi (2,404.71 km) |
| Gebze to Oyonnax | 1,243.89 mi (2,001.84 km) |
| Gebze to Ozoir-la-Ferriere | 1,413.59 mi (2,274.95 km) |
| Gebze to Pace | 1,607.30 mi (2,586.70 km) |
| Gebze to Palaiseau | 1,431.95 mi (2,304.50 km) |
| Gebze to Pamiers | 1,431.81 mi (2,304.27 km) |
| Gebze to Panazol | 1,447.76 mi (2,329.94 km) |
| Gebze to Pantin | 1,427.75 mi (2,297.74 km) |
| Gebze to Paray-le-Monial | 1,318.34 mi (2,121.66 km) |
