| Houston to Pyrzyce | 5,352.38 mi (8,613.82 km) |
| Houston to Pyskowice | 5,592.16 mi (8,999.70 km) |
| Houston to Raciborz | 5,590.85 mi (8,997.61 km) |
| Houston to Radom | 5,637.19 mi (9,072.18 km) |
| Houston to Radomsko | 5,593.00 mi (9,001.07 km) |
| Houston to Radzionkow Nowy | 5,601.57 mi (9,014.86 km) |
| Houston to Radzymin | 5,594.75 mi (9,003.88 km) |
| Houston to Radzyn Podlaski | 5,669.86 mi (9,124.75 km) |
| Houston to Rawa Mazowiecka | 5,591.22 mi (8,998.19 km) |
| Houston to Rawicz | 5,480.53 mi (8,820.07 km) |
| Houston to Reda | 5,410.35 mi (8,707.11 km) |
| Houston to Rogozno | 5,440.13 mi (8,755.05 km) |
| Houston to Ropczyce | 5,711.19 mi (9,191.27 km) |
| Houston to Ruda Slaska | 5,605.51 mi (9,021.20 km) |
| Houston to Rumia | 5,413.99 mi (8,712.98 km) |
