| Marche-en-Famenne to Oria | 896.18 mi (1,442.27 km) |
| Marche-en-Famenne to Oristano | 729.76 mi (1,174.43 km) |
| Marche-en-Famenne to Orta Nova | 790.34 mi (1,271.93 km) |
| Marche-en-Famenne to Orte | 632.12 mi (1,017.30 km) |
| Marche-en-Famenne to Ortona | 693.83 mi (1,116.61 km) |
| Marche-en-Famenne to Orvieto | 609.69 mi (981.20 km) |
| Marche-en-Famenne to Orzinuovi | 395.20 mi (636.01 km) |
| Marche-en-Famenne to Osimo | 603.22 mi (970.78 km) |
| Marche-en-Famenne to Ospitaletto | 389.65 mi (627.08 km) |
| Marche-en-Famenne to Ostuni | 881.82 mi (1,419.15 km) |
| Marche-en-Famenne to Ottaviano | 782.75 mi (1,259.72 km) |
| Marche-en-Famenne to Ovada | 415.21 mi (668.22 km) |
| Marche-en-Famenne to Ozieri | 688.67 mi (1,108.31 km) |
| Marche-en-Famenne to Paceco | 916.90 mi (1,475.61 km) |
| Marche-en-Famenne to Pachino | 1,051.44 mi (1,692.12 km) |
