| Ieper to Oria | 1,005.61 mi (1,618.38 km) |
| Ieper to Oristano | 804.73 mi (1,295.09 km) |
| Ieper to Orta Nova | 897.72 mi (1,444.73 km) |
| Ieper to Orte | 732.99 mi (1,179.64 km) |
| Ieper to Ortona | 800.55 mi (1,288.36 km) |
| Ieper to Orvieto | 710.35 mi (1,143.21 km) |
| Ieper to Orzinuovi | 497.05 mi (799.92 km) |
| Ieper to Osimo | 710.68 mi (1,143.72 km) |
| Ieper to Ospitaletto | 492.95 mi (793.32 km) |
| Ieper to Ostuni | 991.58 mi (1,595.80 km) |
| Ieper to Ottaviano | 885.92 mi (1,425.75 km) |
| Ieper to Ovada | 505.46 mi (813.46 km) |
| Ieper to Ozieri | 767.60 mi (1,235.34 km) |
| Ieper to Paceco | 1,006.95 mi (1,620.53 km) |
| Ieper to Pachino | 1,147.69 mi (1,847.02 km) |
