| Alatri to Oerlinghausen | 740.92 mi (1,192.40 km) |
| Alatri to Oestrich-Winkel | 626.46 mi (1,008.18 km) |
| Alatri to Offenburg | 534.99 mi (860.98 km) |
| Alatri to Oftersheim | 575.93 mi (926.88 km) |
| Alatri to Ohrdruf | 641.07 mi (1,031.71 km) |
| Alatri to Ohringen | 548.81 mi (883.23 km) |
| Alatri to Olbernhau | 617.81 mi (994.27 km) |
| Alatri to Olching | 458.16 mi (737.33 km) |
| Alatri to Oldenburg | 824.03 mi (1,326.14 km) |
| Alatri to Oldenburg in Holstein | 876.11 mi (1,409.96 km) |
| Alatri to Olfen | 745.20 mi (1,199.29 km) |
| Alatri to Olpe | 693.14 mi (1,115.50 km) |
| Alatri to Olsberg | 703.57 mi (1,132.29 km) |
| Alatri to Oranienburg | 762.07 mi (1,226.44 km) |
| Alatri to Ortenberg | 630.50 mi (1,014.69 km) |
