| Wisconsin Rapids to Oerlinghausen | 4,209.31 mi (6,774.23 km) |
| Wisconsin Rapids to Oestrich-Winkel | 4,266.34 mi (6,866.01 km) |
| Wisconsin Rapids to Offenburg | 4,327.44 mi (6,964.34 km) |
| Wisconsin Rapids to Oftersheim | 4,313.33 mi (6,941.63 km) |
| Wisconsin Rapids to Ohrdruf | 4,327.76 mi (6,964.86 km) |
| Wisconsin Rapids to Ohringen | 4,353.26 mi (7,005.89 km) |
| Wisconsin Rapids to Olbernhau | 4,423.67 mi (7,119.20 km) |
| Wisconsin Rapids to Olching | 4,461.09 mi (7,179.43 km) |
| Wisconsin Rapids to Oldenburg | 4,146.47 mi (6,673.09 km) |
| Wisconsin Rapids to Oldenburg in Holstein | 4,188.33 mi (6,740.47 km) |
| Wisconsin Rapids to Olfen | 4,174.91 mi (6,718.87 km) |
| Wisconsin Rapids to Olpe | 4,218.90 mi (6,789.66 km) |
| Wisconsin Rapids to Olsberg | 4,228.08 mi (6,804.44 km) |
| Wisconsin Rapids to Oranienburg | 4,329.96 mi (6,968.40 km) |
| Wisconsin Rapids to Ortenberg | 4,289.06 mi (6,902.57 km) |
