| Urbandale to Oerlinghausen | 4,484.62 mi (7,217.30 km) |
| Urbandale to Oestrich-Winkel | 4,542.08 mi (7,309.77 km) |
| Urbandale to Offenburg | 4,603.26 mi (7,408.23 km) |
| Urbandale to Oftersheim | 4,589.10 mi (7,385.44 km) |
| Urbandale to Ohrdruf | 4,603.11 mi (7,408.00 km) |
| Urbandale to Ohringen | 4,629.00 mi (7,449.66 km) |
| Urbandale to Olbernhau | 4,698.70 mi (7,561.83 km) |
| Urbandale to Olching | 4,736.84 mi (7,623.21 km) |
| Urbandale to Oldenburg | 4,421.48 mi (7,115.69 km) |
| Urbandale to Oldenburg in Holstein | 4,462.39 mi (7,181.52 km) |
| Urbandale to Olfen | 4,450.42 mi (7,162.26 km) |
| Urbandale to Olpe | 4,494.50 mi (7,233.20 km) |
| Urbandale to Olsberg | 4,503.56 mi (7,247.78 km) |
| Urbandale to Oranienburg | 4,604.23 mi (7,409.80 km) |
| Urbandale to Ortenberg | 4,564.67 mi (7,346.13 km) |
