| Kaltenkirchen to Oria | 988.26 mi (1,590.44 km) |
| Kaltenkirchen to Oristano | 964.86 mi (1,552.79 km) |
| Kaltenkirchen to Orta Nova | 904.14 mi (1,455.07 km) |
| Kaltenkirchen to Orte | 794.03 mi (1,277.87 km) |
| Kaltenkirchen to Ortona | 819.46 mi (1,318.79 km) |
| Kaltenkirchen to Orvieto | 774.65 mi (1,246.68 km) |
| Kaltenkirchen to Orzinuovi | 583.13 mi (938.45 km) |
| Kaltenkirchen to Osimo | 733.16 mi (1,179.91 km) |
| Kaltenkirchen to Ospitaletto | 572.42 mi (921.22 km) |
| Kaltenkirchen to Ostuni | 972.15 mi (1,564.52 km) |
| Kaltenkirchen to Ottaviano | 921.60 mi (1,483.17 km) |
| Kaltenkirchen to Ovada | 638.42 mi (1,027.44 km) |
| Kaltenkirchen to Ozieri | 916.90 mi (1,475.60 km) |
| Kaltenkirchen to Paceco | 1,102.43 mi (1,774.19 km) |
| Kaltenkirchen to Pachino | 1,208.39 mi (1,944.72 km) |
