| Carlet to Oerlinghausen | 984.17 mi (1,583.87 km) |
| Carlet to Oestrich-Winkel | 852.98 mi (1,372.73 km) |
| Carlet to Offenburg | 763.86 mi (1,229.31 km) |
| Carlet to Oftersheim | 831.72 mi (1,338.53 km) |
| Carlet to Ohrdruf | 969.51 mi (1,560.28 km) |
| Carlet to Ohringen | 847.62 mi (1,364.11 km) |
| Carlet to Olbernhau | 1,037.60 mi (1,669.85 km) |
| Carlet to Olching | 854.79 mi (1,375.64 km) |
| Carlet to Oldenburg | 1,046.63 mi (1,684.39 km) |
| Carlet to Oldenburg in Holstein | 1,169.67 mi (1,882.39 km) |
| Carlet to Olfen | 942.83 mi (1,517.34 km) |
| Carlet to Olpe | 909.40 mi (1,463.53 km) |
| Carlet to Olsberg | 943.48 mi (1,518.38 km) |
| Carlet to Oranienburg | 1,140.26 mi (1,835.07 km) |
| Carlet to Ortenberg | 899.33 mi (1,447.34 km) |
