| Caykara to Oerlinghausen | 1,675.27 mi (2,696.09 km) |
| Caykara to Oestrich-Winkel | 1,674.18 mi (2,694.34 km) |
| Caykara to Offenburg | 1,661.90 mi (2,674.57 km) |
| Caykara to Oftersheim | 1,641.16 mi (2,641.19 km) |
| Caykara to Ohrdruf | 1,568.95 mi (2,524.99 km) |
| Caykara to Ohringen | 1,598.53 mi (2,572.58 km) |
| Caykara to Olbernhau | 1,456.68 mi (2,344.30 km) |
| Caykara to Olching | 1,505.44 mi (2,422.78 km) |
| Caykara to Oldenburg | 1,715.95 mi (2,761.55 km) |
| Caykara to Oldenburg in Holstein | 1,640.32 mi (2,639.83 km) |
| Caykara to Olfen | 1,724.25 mi (2,774.91 km) |
| Caykara to Olpe | 1,694.80 mi (2,727.52 km) |
| Caykara to Olsberg | 1,672.43 mi (2,691.51 km) |
| Caykara to Oranienburg | 1,510.04 mi (2,430.17 km) |
| Caykara to Ortenberg | 1,633.01 mi (2,628.07 km) |
