| Houghton Regis to Pyrzyce | 652.06 mi (1,049.38 km) |
| Houghton Regis to Pyskowice | 833.88 mi (1,342.01 km) |
| Houghton Regis to Raciborz | 823.02 mi (1,324.52 km) |
| Houghton Regis to Radom | 926.60 mi (1,491.23 km) |
| Houghton Regis to Radomsko | 858.65 mi (1,381.87 km) |
| Houghton Regis to Radzionkow Nowy | 845.25 mi (1,360.30 km) |
| Houghton Regis to Radzymin | 917.33 mi (1,476.29 km) |
| Houghton Regis to Radzyn Podlaski | 984.01 mi (1,583.61 km) |
| Houghton Regis to Rawa Mazowiecka | 884.15 mi (1,422.90 km) |
| Houghton Regis to Rawicz | 741.93 mi (1,194.02 km) |
| Houghton Regis to Reda | 799.64 mi (1,286.89 km) |
| Houghton Regis to Rogozno | 740.46 mi (1,191.65 km) |
| Houghton Regis to Ropczyce | 967.87 mi (1,557.64 km) |
| Houghton Regis to Ruda Slaska | 846.12 mi (1,361.71 km) |
| Houghton Regis to Rumia | 801.29 mi (1,289.55 km) |
