| Bad Krozingen to Oria | 709.25 mi (1,141.43 km) |
| Bad Krozingen to Oristano | 555.26 mi (893.61 km) |
| Bad Krozingen to Orta Nova | 601.23 mi (967.59 km) |
| Bad Krozingen to Orte | 440.49 mi (708.89 km) |
| Bad Krozingen to Ortona | 504.17 mi (811.38 km) |
| Bad Krozingen to Orvieto | 418.07 mi (672.81 km) |
| Bad Krozingen to Orzinuovi | 203.58 mi (327.63 km) |
| Bad Krozingen to Osimo | 414.15 mi (666.51 km) |
| Bad Krozingen to Ospitaletto | 198.10 mi (318.80 km) |
| Bad Krozingen to Ostuni | 695.33 mi (1,119.03 km) |
| Bad Krozingen to Ottaviano | 591.43 mi (951.81 km) |
| Bad Krozingen to Ovada | 230.91 mi (371.62 km) |
| Bad Krozingen to Ozieri | 510.65 mi (821.81 km) |
| Bad Krozingen to Paceco | 728.46 mi (1,172.34 km) |
| Bad Krozingen to Pachino | 860.28 mi (1,384.49 km) |
