| Kocaeli to Orthez | 1,574.83 mi (2,534.45 km) |
| Kocaeli to Orvault | 1,617.99 mi (2,603.90 km) |
| Kocaeli to Osny | 1,468.03 mi (2,362.56 km) |
| Kocaeli to Ostwald | 1,210.74 mi (1,948.49 km) |
| Kocaeli to Ouistreham | 1,573.80 mi (2,532.78 km) |
| Kocaeli to Oullins | 1,303.36 mi (2,097.55 km) |
| Kocaeli to Outreau | 1,516.11 mi (2,439.94 km) |
| Kocaeli to Oyonnax | 1,267.86 mi (2,040.43 km) |
| Kocaeli to Ozoir-la-Ferriere | 1,436.47 mi (2,311.77 km) |
| Kocaeli to Pace | 1,630.73 mi (2,624.41 km) |
| Kocaeli to Palaiseau | 1,454.90 mi (2,341.43 km) |
| Kocaeli to Pamiers | 1,456.89 mi (2,344.64 km) |
| Kocaeli to Panazol | 1,472.04 mi (2,369.02 km) |
| Kocaeli to Pantin | 1,450.59 mi (2,334.50 km) |
| Kocaeli to Paray-le-Monial | 1,342.29 mi (2,160.21 km) |
