| Estarreja to Oerlinghausen | 1,124.26 mi (1,809.32 km) |
| Estarreja to Oestrich-Winkel | 1,023.22 mi (1,646.71 km) |
| Estarreja to Offenburg | 967.91 mi (1,557.70 km) |
| Estarreja to Oftersheim | 1,023.49 mi (1,647.14 km) |
| Estarreja to Ohrdruf | 1,155.83 mi (1,860.12 km) |
| Estarreja to Ohringen | 1,054.41 mi (1,696.90 km) |
| Estarreja to Olbernhau | 1,251.95 mi (2,014.83 km) |
| Estarreja to Olching | 1,102.68 mi (1,774.60 km) |
| Estarreja to Oldenburg | 1,160.41 mi (1,867.49 km) |
| Estarreja to Oldenburg in Holstein | 1,295.40 mi (2,084.75 km) |
| Estarreja to Olfen | 1,070.38 mi (1,722.61 km) |
| Estarreja to Olpe | 1,056.51 mi (1,700.29 km) |
| Estarreja to Olsberg | 1,092.80 mi (1,758.70 km) |
| Estarreja to Oranienburg | 1,315.05 mi (2,116.36 km) |
| Estarreja to Ortenberg | 1,075.86 mi (1,731.43 km) |
