| Valley Stream to Oerlinghausen | 3,791.78 mi (6,102.28 km) |
| Valley Stream to Oestrich-Winkel | 3,819.67 mi (6,147.16 km) |
| Valley Stream to Offenburg | 3,860.89 mi (6,213.50 km) |
| Valley Stream to Oftersheim | 3,861.44 mi (6,214.40 km) |
| Valley Stream to Ohrdruf | 3,905.25 mi (6,284.89 km) |
| Valley Stream to Ohringen | 3,903.80 mi (6,282.56 km) |
| Valley Stream to Olbernhau | 4,012.33 mi (6,457.22 km) |
| Valley Stream to Olching | 4,008.64 mi (6,451.28 km) |
| Valley Stream to Oldenburg | 3,742.88 mi (6,023.58 km) |
| Valley Stream to Oldenburg in Holstein | 3,812.91 mi (6,136.28 km) |
| Valley Stream to Olfen | 3,748.02 mi (6,031.86 km) |
| Valley Stream to Olpe | 3,784.75 mi (6,090.96 km) |
| Valley Stream to Olsberg | 3,801.44 mi (6,117.83 km) |
| Valley Stream to Oranienburg | 3,944.98 mi (6,348.83 km) |
| Valley Stream to Ortenberg | 3,852.14 mi (6,199.43 km) |
