| Morfelden-Walldorf to Oria | 789.07 mi (1,269.88 km) |
| Morfelden-Walldorf to Oristano | 697.44 mi (1,122.42 km) |
| Morfelden-Walldorf to Orta Nova | 690.09 mi (1,110.60 km) |
| Morfelden-Walldorf to Orte | 551.55 mi (887.63 km) |
| Morfelden-Walldorf to Ortona | 596.91 mi (960.64 km) |
| Morfelden-Walldorf to Orvieto | 530.32 mi (853.47 km) |
| Morfelden-Walldorf to Orzinuovi | 323.95 mi (521.35 km) |
| Morfelden-Walldorf to Osimo | 506.25 mi (814.73 km) |
| Morfelden-Walldorf to Ospitaletto | 314.78 mi (506.59 km) |
| Morfelden-Walldorf to Ostuni | 773.89 mi (1,245.46 km) |
| Morfelden-Walldorf to Ottaviano | 693.27 mi (1,115.72 km) |
| Morfelden-Walldorf to Ovada | 370.41 mi (596.11 km) |
| Morfelden-Walldorf to Ozieri | 650.84 mi (1,047.42 km) |
| Morfelden-Walldorf to Paceco | 853.04 mi (1,372.84 km) |
| Morfelden-Walldorf to Pachino | 973.49 mi (1,566.68 km) |
