| Romanshorn to Alenquer | 1,090.94 mi (1,755.70 km) |
| Romanshorn to Alfena | 981.85 mi (1,580.14 km) |
| Romanshorn to Alijo | 934.61 mi (1,504.11 km) |
| Romanshorn to Aljustrel | 1,107.00 mi (1,781.54 km) |
| Romanshorn to Almada | 1,112.94 mi (1,791.11 km) |
| Romanshorn to Almargem | 1,110.37 mi (1,786.97 km) |
| Romanshorn to Almeirim | 1,067.72 mi (1,718.33 km) |
| Romanshorn to Amadora | 1,113.75 mi (1,792.41 km) |
| Romanshorn to Amarante | 960.72 mi (1,546.13 km) |
| Romanshorn to Amares | 959.59 mi (1,544.31 km) |
| Romanshorn to Amora | 1,113.67 mi (1,792.28 km) |
| Romanshorn to Anadia | 1,008.78 mi (1,623.48 km) |
| Romanshorn to Angra do Heroismo | 1,924.10 mi (3,096.54 km) |
| Romanshorn to Ansiao | 1,029.72 mi (1,657.18 km) |
| Romanshorn to Anta | 994.85 mi (1,601.05 km) |
