| Norrkoping to Orbetello | 1,137.11 mi (1,830.01 km) |
| Norrkoping to Oria | 1,252.17 mi (2,015.17 km) |
| Norrkoping to Oristano | 1,334.42 mi (2,147.54 km) |
| Norrkoping to Orta Nova | 1,193.38 mi (1,920.55 km) |
| Norrkoping to Orte | 1,127.20 mi (1,814.06 km) |
| Norrkoping to Ortona | 1,125.45 mi (1,811.24 km) |
| Norrkoping to Orvieto | 1,111.33 mi (1,788.52 km) |
| Norrkoping to Orzinuovi | 949.19 mi (1,527.57 km) |
| Norrkoping to Osimo | 1,050.89 mi (1,691.25 km) |
| Norrkoping to Ospitaletto | 937.15 mi (1,508.19 km) |
| Norrkoping to Ostuni | 1,235.95 mi (1,989.07 km) |
| Norrkoping to Ottaviano | 1,228.72 mi (1,977.43 km) |
| Norrkoping to Ovada | 1,016.04 mi (1,635.16 km) |
| Norrkoping to Ozieri | 1,284.02 mi (2,066.44 km) |
| Norrkoping to Paceco | 1,433.81 mi (2,307.50 km) |
