| Alcira to Oerlinghausen | 987.18 mi (1,588.72 km) |
| Alcira to Oestrich-Winkel | 855.67 mi (1,377.07 km) |
| Alcira to Offenburg | 766.09 mi (1,232.90 km) |
| Alcira to Oftersheim | 834.06 mi (1,342.28 km) |
| Alcira to Ohrdruf | 971.73 mi (1,563.85 km) |
| Alcira to Ohringen | 849.63 mi (1,367.35 km) |
| Alcira to Olbernhau | 1,039.19 mi (1,672.42 km) |
| Alcira to Olching | 855.93 mi (1,377.49 km) |
| Alcira to Oldenburg | 1,049.98 mi (1,689.79 km) |
| Alcira to Oldenburg in Holstein | 1,172.70 mi (1,887.28 km) |
| Alcira to Olfen | 946.11 mi (1,522.61 km) |
| Alcira to Olpe | 912.40 mi (1,468.37 km) |
| Alcira to Olsberg | 946.39 mi (1,523.07 km) |
| Alcira to Oranienburg | 1,142.49 mi (1,838.66 km) |
| Alcira to Ortenberg | 901.84 mi (1,451.37 km) |
