| Alzenau in Unterfranken to Oestrich-Winkel | 47.57 mi (76.55 km) |
| Alzenau in Unterfranken to Offenburg | 121.78 mi (195.99 km) |
| Alzenau in Unterfranken to Oftersheim | 52.70 mi (84.80 km) |
| Alzenau in Unterfranken to Ohrdruf | 90.22 mi (145.20 km) |
| Alzenau in Unterfranken to Ohringen | 62.94 mi (101.30 km) |
| Alzenau in Unterfranken to Olbernhau | 192.53 mi (309.84 km) |
| Alzenau in Unterfranken to Olching | 164.24 mi (264.32 km) |
| Alzenau in Unterfranken to Oldenburg | 215.74 mi (347.19 km) |
| Alzenau in Unterfranken to Oldenburg in Holstein | 302.42 mi (486.70 km) |
| Alzenau in Unterfranken to Olfen | 135.56 mi (218.17 km) |
| Alzenau in Unterfranken to Olpe | 85.09 mi (136.95 km) |
| Alzenau in Unterfranken to Olsberg | 92.27 mi (148.49 km) |
| Alzenau in Unterfranken to Oranienburg | 258.34 mi (415.76 km) |
| Alzenau in Unterfranken to Ortenberg | 19.98 mi (32.16 km) |
| Alzenau in Unterfranken to Oschatz | 196.31 mi (315.93 km) |
