| Tangermunde to Oria | 873.76 mi (1,406.18 km) |
| Tangermunde to Oristano | 887.54 mi (1,428.36 km) |
| Tangermunde to Orta Nova | 794.12 mi (1,278.02 km) |
| Tangermunde to Orte | 696.76 mi (1,121.33 km) |
| Tangermunde to Ortona | 713.11 mi (1,147.64 km) |
| Tangermunde to Orvieto | 678.70 mi (1,092.26 km) |
| Tangermunde to Orzinuovi | 501.89 mi (807.71 km) |
| Tangermunde to Osimo | 629.68 mi (1,013.37 km) |
| Tangermunde to Ospitaletto | 490.18 mi (788.87 km) |
| Tangermunde to Ostuni | 857.54 mi (1,380.08 km) |
| Tangermunde to Ottaviano | 816.32 mi (1,313.75 km) |
| Tangermunde to Ovada | 566.51 mi (911.71 km) |
| Tangermunde to Ozieri | 837.81 mi (1,348.33 km) |
| Tangermunde to Paceco | 1,006.21 mi (1,619.34 km) |
| Tangermunde to Pachino | 1,103.86 mi (1,776.48 km) |
