| Cascais to Oschatz | 1,393.38 mi (2,242.42 km) |
| Cascais to Oschersleben | 1,352.50 mi (2,176.63 km) |
| Cascais to Osnabruck | 1,256.94 mi (2,022.86 km) |
| Cascais to Ostbevern | 1,239.30 mi (1,994.45 km) |
| Cascais to Osterburg | 1,400.79 mi (2,254.35 km) |
| Cascais to Ostercappeln | 1,265.80 mi (2,037.11 km) |
| Cascais to Osterhofen | 1,309.20 mi (2,106.95 km) |
| Cascais to Osterholz-Scharmbeck | 1,323.25 mi (2,129.57 km) |
| Cascais to Osternienburg | 1,371.34 mi (2,206.95 km) |
| Cascais to Osterode | 1,306.25 mi (2,102.21 km) |
| Cascais to Osterwieck | 1,331.95 mi (2,143.57 km) |
| Cascais to Ostfildern | 1,156.52 mi (1,861.23 km) |
| Cascais to Osthofen | 1,157.09 mi (1,862.16 km) |
| Cascais to Ostrhauderfehn | 1,282.71 mi (2,064.32 km) |
| Cascais to Ostringen | 1,152.89 mi (1,855.40 km) |
