| Alatri to Oberkirch | 535.40 mi (861.64 km) |
| Alatri to Obernburg am Main | 595.85 mi (958.93 km) |
| Alatri to Obernkirchen | 754.71 mi (1,214.59 km) |
| Alatri to Oberschleissheim | 459.07 mi (738.80 km) |
| Alatri to Oberstdorf | 420.62 mi (676.92 km) |
| Alatri to Obertraubling | 503.52 mi (810.33 km) |
| Alatri to Obertshausen | 615.49 mi (990.53 km) |
| Alatri to Oberursel | 628.57 mi (1,011.59 km) |
| Alatri to Ochsenfurt | 569.78 mi (916.97 km) |
| Alatri to Ochsenhausen | 468.82 mi (754.50 km) |
| Alatri to Ochtrup | 779.37 mi (1,254.28 km) |
| Alatri to Odenthal | 707.67 mi (1,138.88 km) |
| Alatri to Oelde | 739.88 mi (1,190.72 km) |
| Alatri to Oelsnitz | 603.15 mi (970.68 km) |
| Alatri to Oer-Erkenschwick | 742.91 mi (1,195.60 km) |
