| South Houston to Amelia | 5,659.94 mi (9,108.80 km) |
| South Houston to Anagni | 5,722.43 mi (9,209.37 km) |
| South Houston to Ancona | 5,665.51 mi (9,117.76 km) |
| South Houston to Andria | 5,876.71 mi (9,457.65 km) |
| South Houston to Angri | 5,822.15 mi (9,369.85 km) |
| South Houston to Anguillara Sabazia | 5,671.20 mi (9,126.91 km) |
| South Houston to Anzio | 5,710.92 mi (9,190.84 km) |
| South Houston to Anzola dell'Emilia | 5,533.90 mi (8,905.95 km) |
| South Houston to Aosta | 5,329.62 mi (8,577.19 km) |
| South Houston to Apricena | 5,818.13 mi (9,363.37 km) |
| South Houston to Aprilia | 5,706.67 mi (9,184.00 km) |
| South Houston to Aradeo | 5,998.45 mi (9,653.57 km) |
| South Houston to Aragona | 5,910.93 mi (9,512.72 km) |
| South Houston to Arco | 5,470.86 mi (8,804.51 km) |
| South Houston to Arcola | 5,495.18 mi (8,843.64 km) |
