| Eckernforde to Oria | 1,030.33 mi (1,658.16 km) |
| Eckernforde to Oristano | 1,008.24 mi (1,622.60 km) |
| Eckernforde to Orta Nova | 947.18 mi (1,524.33 km) |
| Eckernforde to Orte | 838.10 mi (1,348.80 km) |
| Eckernforde to Ortona | 862.97 mi (1,388.82 km) |
| Eckernforde to Orvieto | 818.75 mi (1,317.65 km) |
| Eckernforde to Orzinuovi | 626.98 mi (1,009.03 km) |
| Eckernforde to Osimo | 776.91 mi (1,250.32 km) |
| Eckernforde to Ospitaletto | 616.32 mi (991.88 km) |
| Eckernforde to Ostuni | 1,014.19 mi (1,632.18 km) |
| Eckernforde to Ottaviano | 965.25 mi (1,553.42 km) |
| Eckernforde to Ovada | 681.60 mi (1,096.93 km) |
| Eckernforde to Ozieri | 960.43 mi (1,545.66 km) |
| Eckernforde to Paceco | 1,146.54 mi (1,845.18 km) |
| Eckernforde to Pachino | 1,252.15 mi (2,015.15 km) |
