| Omaha to Alenquer | 4,389.74 mi (7,064.60 km) |
| Omaha to Alfena | 4,330.02 mi (6,968.49 km) |
| Omaha to Alijo | 4,374.61 mi (7,040.25 km) |
| Omaha to Aljustrel | 4,471.23 mi (7,195.75 km) |
| Omaha to Almada | 4,397.29 mi (7,076.75 km) |
| Omaha to Almargem | 4,385.88 mi (7,058.39 km) |
| Omaha to Almeirim | 4,402.05 mi (7,084.42 km) |
| Omaha to Amadora | 4,391.90 mi (7,068.08 km) |
| Omaha to Amarante | 4,349.08 mi (6,999.16 km) |
| Omaha to Amares | 4,324.47 mi (6,959.57 km) |
| Omaha to Amora | 4,401.10 mi (7,082.88 km) |
| Omaha to Anadia | 4,363.94 mi (7,023.08 km) |
| Omaha to Angra do Heroismo | 3,551.42 mi (5,715.46 km) |
| Omaha to Ansiao | 4,383.27 mi (7,054.19 km) |
| Omaha to Anta | 4,334.16 mi (6,975.15 km) |
