| Houston to Os | 4,803.03 mi (7,729.74 km) |
| Houston to Oslo | 4,974.88 mi (8,006.30 km) |
| Houston to Porsgrunn | 4,969.45 mi (7,997.56 km) |
| Houston to Randaberg | 4,842.93 mi (7,793.95 km) |
| Houston to Ringsaker | 4,939.99 mi (7,950.14 km) |
| Houston to Royken | 4,971.39 mi (8,000.68 km) |
| Houston to Rygge | 4,992.08 mi (8,033.98 km) |
| Houston to Sand | 4,984.88 mi (8,022.40 km) |
| Houston to Sande | 4,969.22 mi (7,997.18 km) |
| Houston to Sandefjord | 4,984.77 mi (8,022.21 km) |
| Houston to Sandnes | 4,851.23 mi (7,807.30 km) |
| Houston to Sandvika | 4,969.12 mi (7,997.02 km) |
| Houston to Sarpsborg | 5,007.30 mi (8,058.48 km) |
| Houston to Sem | 4,983.30 mi (8,019.85 km) |
| Houston to Ski | 4,985.31 mi (8,023.08 km) |
