| Negresti-Oas to Oerlinghausen | 713.32 mi (1,147.97 km) |
| Negresti-Oas to Oestrich-Winkel | 714.02 mi (1,149.10 km) |
| Negresti-Oas to Offenburg | 713.81 mi (1,148.77 km) |
| Negresti-Oas to Oftersheim | 684.52 mi (1,101.63 km) |
| Negresti-Oas to Ohrdruf | 605.79 mi (974.93 km) |
| Negresti-Oas to Ohringen | 642.71 mi (1,034.34 km) |
| Negresti-Oas to Olbernhau | 493.78 mi (794.66 km) |
| Negresti-Oas to Olching | 559.27 mi (900.06 km) |
| Negresti-Oas to Oldenburg | 759.12 mi (1,221.69 km) |
| Negresti-Oas to Oldenburg in Holstein | 700.87 mi (1,127.94 km) |
| Negresti-Oas to Olfen | 761.32 mi (1,225.23 km) |
| Negresti-Oas to Olpe | 731.77 mi (1,177.68 km) |
| Negresti-Oas to Olsberg | 709.31 mi (1,141.53 km) |
| Negresti-Oas to Oranienburg | 561.25 mi (903.24 km) |
| Negresti-Oas to Ortenberg | 670.99 mi (1,079.86 km) |
