| Kercem to Oerlinghausen | 1,133.75 mi (1,824.59 km) |
| Kercem to Oestrich-Winkel | 1,013.64 mi (1,631.30 km) |
| Kercem to Offenburg | 916.16 mi (1,474.42 km) |
| Kercem to Oftersheim | 963.88 mi (1,551.21 km) |
| Kercem to Ohrdruf | 1,036.36 mi (1,667.87 km) |
| Kercem to Ohringen | 940.00 mi (1,512.78 km) |
| Kercem to Olbernhau | 1,011.55 mi (1,627.93 km) |
| Kercem to Olching | 853.12 mi (1,372.97 km) |
| Kercem to Oldenburg | 1,217.16 mi (1,958.83 km) |
| Kercem to Oldenburg in Holstein | 1,271.73 mi (2,046.65 km) |
| Kercem to Olfen | 1,134.28 mi (1,825.44 km) |
| Kercem to Olpe | 1,082.20 mi (1,741.63 km) |
| Kercem to Olsberg | 1,095.18 mi (1,762.53 km) |
| Kercem to Oranienburg | 1,155.82 mi (1,860.12 km) |
| Kercem to Ortenberg | 1,022.20 mi (1,645.08 km) |
