| Odivelas to Oerlinghausen | 1,249.96 mi (2,011.62 km) |
| Odivelas to Oestrich-Winkel | 1,143.54 mi (1,840.35 km) |
| Odivelas to Offenburg | 1,081.84 mi (1,741.05 km) |
| Odivelas to Oftersheim | 1,140.34 mi (1,835.20 km) |
| Odivelas to Ohrdruf | 1,275.08 mi (2,052.05 km) |
| Odivelas to Ohringen | 1,169.05 mi (1,881.40 km) |
| Odivelas to Olbernhau | 1,367.30 mi (2,200.46 km) |
| Odivelas to Olching | 1,209.94 mi (1,947.21 km) |
| Odivelas to Oldenburg | 1,289.62 mi (2,075.44 km) |
| Odivelas to Oldenburg in Holstein | 1,424.17 mi (2,291.99 km) |
| Odivelas to Olfen | 1,197.17 mi (1,926.67 km) |
| Odivelas to Olpe | 1,180.59 mi (1,899.98 km) |
| Odivelas to Olsberg | 1,216.96 mi (1,958.51 km) |
| Odivelas to Oranienburg | 1,437.43 mi (2,313.32 km) |
| Odivelas to Ortenberg | 1,195.83 mi (1,924.50 km) |
