| Grossenkneten to Oria | 965.99 mi (1,554.61 km) |
| Grossenkneten to Oristano | 901.40 mi (1,450.66 km) |
| Grossenkneten to Orta Nova | 874.61 mi (1,407.55 km) |
| Grossenkneten to Orte | 749.33 mi (1,205.93 km) |
| Grossenkneten to Ortona | 785.35 mi (1,263.90 km) |
| Grossenkneten to Orvieto | 728.80 mi (1,172.89 km) |
| Grossenkneten to Orzinuovi | 527.02 mi (848.16 km) |
| Grossenkneten to Osimo | 696.32 mi (1,120.61 km) |
| Grossenkneten to Ospitaletto | 517.33 mi (832.57 km) |
| Grossenkneten to Ostuni | 950.20 mi (1,529.21 km) |
| Grossenkneten to Ottaviano | 885.13 mi (1,424.48 km) |
| Grossenkneten to Ovada | 574.48 mi (924.53 km) |
| Grossenkneten to Ozieri | 855.04 mi (1,376.06 km) |
| Grossenkneten to Paceco | 1,054.24 mi (1,696.63 km) |
| Grossenkneten to Pachino | 1,169.21 mi (1,881.67 km) |
