| Portimao to Oschatz | 1,441.28 mi (2,319.51 km) |
| Portimao to Oschersleben | 1,407.08 mi (2,264.47 km) |
| Portimao to Osnabruck | 1,319.50 mi (2,123.53 km) |
| Portimao to Ostbevern | 1,301.35 mi (2,094.32 km) |
| Portimao to Osterburg | 1,457.56 mi (2,345.71 km) |
| Portimao to Ostercappeln | 1,328.20 mi (2,137.53 km) |
| Portimao to Osterhofen | 1,344.35 mi (2,163.51 km) |
| Portimao to Osterholz-Scharmbeck | 1,387.71 mi (2,233.30 km) |
| Portimao to Osternienburg | 1,423.49 mi (2,290.88 km) |
| Portimao to Osterode | 1,361.63 mi (2,191.33 km) |
| Portimao to Osterwieck | 1,387.39 mi (2,232.79 km) |
| Portimao to Ostfildern | 1,199.44 mi (1,930.31 km) |
| Portimao to Osthofen | 1,207.39 mi (1,943.11 km) |
| Portimao to Ostrhauderfehn | 1,349.41 mi (2,171.66 km) |
| Portimao to Ostringen | 1,199.73 mi (1,930.78 km) |
