| Kristiansand to Orbetello | 1,094.23 mi (1,761.00 km) |
| Kristiansand to Oria | 1,291.19 mi (2,077.97 km) |
| Kristiansand to Oristano | 1,260.63 mi (2,028.79 km) |
| Kristiansand to Orta Nova | 1,210.01 mi (1,947.32 km) |
| Kristiansand to Orte | 1,100.45 mi (1,771.01 km) |
| Kristiansand to Ortona | 1,126.32 mi (1,812.63 km) |
| Kristiansand to Orvieto | 1,080.79 mi (1,739.37 km) |
| Kristiansand to Orzinuovi | 884.53 mi (1,423.52 km) |
| Kristiansand to Osimo | 1,040.25 mi (1,674.12 km) |
| Kristiansand to Ospitaletto | 874.41 mi (1,407.23 km) |
| Kristiansand to Ostuni | 1,274.98 mi (2,051.88 km) |
| Kristiansand to Ottaviano | 1,228.63 mi (1,977.28 km) |
| Kristiansand to Ovada | 933.72 mi (1,502.68 km) |
| Kristiansand to Ozieri | 1,214.25 mi (1,954.14 km) |
| Kristiansand to Paceco | 1,408.19 mi (2,266.26 km) |
