| Cerkes to Oerlinghausen | 1,377.66 mi (2,217.12 km) |
| Cerkes to Oestrich-Winkel | 1,355.07 mi (2,180.77 km) |
| Cerkes to Offenburg | 1,328.31 mi (2,137.71 km) |
| Cerkes to Oftersheim | 1,316.82 mi (2,119.22 km) |
| Cerkes to Ohrdruf | 1,263.98 mi (2,034.19 km) |
| Cerkes to Ohringen | 1,273.94 mi (2,050.22 km) |
| Cerkes to Olbernhau | 1,157.27 mi (1,862.45 km) |
| Cerkes to Olching | 1,173.82 mi (1,889.07 km) |
| Cerkes to Oldenburg | 1,429.86 mi (2,301.14 km) |
| Cerkes to Oldenburg in Holstein | 1,375.45 mi (2,213.57 km) |
| Cerkes to Olfen | 1,421.23 mi (2,287.25 km) |
| Cerkes to Olpe | 1,385.53 mi (2,229.79 km) |
| Cerkes to Olsberg | 1,367.88 mi (2,201.39 km) |
| Cerkes to Oranienburg | 1,235.71 mi (1,988.68 km) |
| Cerkes to Ortenberg | 1,319.31 mi (2,123.22 km) |
