| Sint-Lievens-Houtem to Oria | 976.24 mi (1,571.11 km) |
| Sint-Lievens-Houtem to Oristano | 794.12 mi (1,278.02 km) |
| Sint-Lievens-Houtem to Orta Nova | 869.85 mi (1,399.88 km) |
| Sint-Lievens-Houtem to Orte | 709.20 mi (1,141.35 km) |
| Sint-Lievens-Houtem to Ortona | 773.10 mi (1,244.19 km) |
| Sint-Lievens-Houtem to Orvieto | 686.67 mi (1,105.09 km) |
| Sint-Lievens-Houtem to Orzinuovi | 472.38 mi (760.22 km) |
| Sint-Lievens-Houtem to Osimo | 682.68 mi (1,098.66 km) |
| Sint-Lievens-Houtem to Ospitaletto | 467.42 mi (752.24 km) |
| Sint-Lievens-Houtem to Ostuni | 961.95 mi (1,548.10 km) |
| Sint-Lievens-Houtem to Ottaviano | 860.84 mi (1,385.38 km) |
| Sint-Lievens-Houtem to Ovada | 486.96 mi (783.69 km) |
| Sint-Lievens-Houtem to Ozieri | 755.12 mi (1,215.25 km) |
| Sint-Lievens-Houtem to Paceco | 989.32 mi (1,592.16 km) |
| Sint-Lievens-Houtem to Pachino | 1,126.81 mi (1,813.42 km) |
