| Alzenau in Unterfranken to Oria | 780.10 mi (1,255.44 km) |
| Alzenau in Unterfranken to Oristano | 702.43 mi (1,130.45 km) |
| Alzenau in Unterfranken to Orta Nova | 682.83 mi (1,098.91 km) |
| Alzenau in Unterfranken to Orte | 548.80 mi (883.21 km) |
| Alzenau in Unterfranken to Ortona | 590.64 mi (950.55 km) |
| Alzenau in Unterfranken to Orvieto | 527.92 mi (849.60 km) |
| Alzenau in Unterfranken to Orzinuovi | 324.94 mi (522.93 km) |
| Alzenau in Unterfranken to Osimo | 500.36 mi (805.25 km) |
| Alzenau in Unterfranken to Ospitaletto | 315.18 mi (507.23 km) |
| Alzenau in Unterfranken to Ostuni | 764.77 mi (1,230.78 km) |
| Alzenau in Unterfranken to Ottaviano | 688.23 mi (1,107.60 km) |
| Alzenau in Unterfranken to Ovada | 375.52 mi (604.34 km) |
| Alzenau in Unterfranken to Ozieri | 655.14 mi (1,054.34 km) |
| Alzenau in Unterfranken to Paceco | 852.38 mi (1,371.77 km) |
| Alzenau in Unterfranken to Pachino | 970.05 mi (1,561.15 km) |
