| Houston to Zrece | 5,633.49 mi (9,066.23 km) |
| Houston to Zuzemberk | 5,636.85 mi (9,071.63 km) |
| Houston to Abaran | 5,178.02 mi (8,333.22 km) |
| Houston to Abrera | 5,231.17 mi (8,418.75 km) |
| Houston to Acala del Rio | 4,972.83 mi (8,002.99 km) |
| Houston to Adeje | 4,656.15 mi (7,493.34 km) |
| Houston to Adra | 5,142.58 mi (8,276.19 km) |
| Houston to Aguilar | 5,038.51 mi (8,108.70 km) |
| Houston to Aguilas | 5,193.63 mi (8,358.34 km) |
| Houston to Alacuas | 5,184.68 mi (8,343.94 km) |
| Houston to Alayor | 5,386.04 mi (8,667.99 km) |
| Houston to Albacete | 5,131.86 mi (8,258.94 km) |
| Houston to Albal | 5,188.82 mi (8,350.60 km) |
| Houston to Albatera | 5,204.66 mi (8,376.09 km) |
| Houston to Alberique | 5,192.43 mi (8,356.40 km) |
