| Bad Sooden-Allendorf to Oria | 829.86 mi (1,335.53 km) |
| Bad Sooden-Allendorf to Oristano | 788.94 mi (1,269.68 km) |
| Bad Sooden-Allendorf to Orta Nova | 739.44 mi (1,190.01 km) |
| Bad Sooden-Allendorf to Orte | 619.99 mi (997.78 km) |
| Bad Sooden-Allendorf to Ortona | 651.29 mi (1,048.16 km) |
| Bad Sooden-Allendorf to Orvieto | 600.14 mi (965.83 km) |
| Bad Sooden-Allendorf to Orzinuovi | 406.50 mi (654.20 km) |
| Bad Sooden-Allendorf to Osimo | 563.08 mi (906.19 km) |
| Bad Sooden-Allendorf to Ospitaletto | 395.79 mi (636.96 km) |
| Bad Sooden-Allendorf to Ostuni | 814.05 mi (1,310.08 km) |
| Bad Sooden-Allendorf to Ottaviano | 752.01 mi (1,210.24 km) |
| Bad Sooden-Allendorf to Ovada | 463.19 mi (745.43 km) |
| Bad Sooden-Allendorf to Ozieri | 740.67 mi (1,191.99 km) |
| Bad Sooden-Allendorf to Paceco | 927.41 mi (1,492.53 km) |
| Bad Sooden-Allendorf to Pachino | 1,037.44 mi (1,669.59 km) |
