| Avranches to Oria | 1,087.68 mi (1,750.46 km) |
| Avranches to Oristano | 779.63 mi (1,254.69 km) |
| Avranches to Orta Nova | 973.11 mi (1,566.07 km) |
| Avranches to Orte | 789.86 mi (1,271.16 km) |
| Avranches to Ortona | 877.03 mi (1,411.44 km) |
| Avranches to Orvieto | 767.89 mi (1,235.80 km) |
| Avranches to Orzinuovi | 577.28 mi (929.04 km) |
| Avranches to Osimo | 794.98 mi (1,279.40 km) |
| Avranches to Ospitaletto | 578.54 mi (931.06 km) |
| Avranches to Ostuni | 1,075.82 mi (1,731.37 km) |
| Avranches to Ottaviano | 943.78 mi (1,518.87 km) |
| Avranches to Ovada | 549.92 mi (885.01 km) |
| Avranches to Ozieri | 755.38 mi (1,215.66 km) |
| Avranches to Paceco | 1,014.29 mi (1,632.35 km) |
| Avranches to Pachino | 1,170.80 mi (1,884.22 km) |
