| Houston to Ittiri | 5,564.76 mi (8,955.62 km) |
| Houston to Ivrea | 5,362.70 mi (8,630.43 km) |
| Houston to L'Aquila | 5,710.02 mi (9,189.39 km) |
| Houston to La Loggia | 5,371.63 mi (8,644.81 km) |
| Houston to La Maddalena | 5,579.53 mi (8,979.39 km) |
| Houston to La Spezia | 5,492.91 mi (8,839.98 km) |
| Houston to Lacchiarella | 5,420.56 mi (8,723.55 km) |
| Houston to Ladispoli | 5,668.65 mi (9,122.82 km) |
| Houston to Lainate | 5,407.55 mi (8,702.60 km) |
| Houston to Laives | 5,470.79 mi (8,804.39 km) |
| Houston to Lana | 5,456.05 mi (8,780.66 km) |
| Houston to Lanciano | 5,756.05 mi (9,263.47 km) |
| Houston to Langhirano | 5,493.06 mi (8,840.23 km) |
| Houston to Lanuvio | 5,705.86 mi (9,182.70 km) |
| Houston to Lariano | 5,709.66 mi (9,188.82 km) |
