| Cumayeri to Oerlinghausen | 1,300.52 mi (2,092.99 km) |
| Cumayeri to Oestrich-Winkel | 1,271.45 mi (2,046.20 km) |
| Cumayeri to Offenburg | 1,240.36 mi (1,996.17 km) |
| Cumayeri to Oftersheim | 1,231.76 mi (1,982.33 km) |
| Cumayeri to Ohrdruf | 1,185.22 mi (1,907.42 km) |
| Cumayeri to Ohringen | 1,188.99 mi (1,913.49 km) |
| Cumayeri to Olbernhau | 1,080.99 mi (1,739.68 km) |
| Cumayeri to Olching | 1,087.10 mi (1,749.52 km) |
| Cumayeri to Oldenburg | 1,355.96 mi (2,182.21 km) |
| Cumayeri to Oldenburg in Holstein | 1,308.37 mi (2,105.61 km) |
| Cumayeri to Olfen | 1,342.23 mi (2,160.10 km) |
| Cumayeri to Olpe | 1,304.78 mi (2,099.85 km) |
| Cumayeri to Olsberg | 1,288.67 mi (2,073.91 km) |
| Cumayeri to Oranienburg | 1,166.77 mi (1,877.74 km) |
| Cumayeri to Ortenberg | 1,237.52 mi (1,991.59 km) |
