| Monaghan to Ratingen | 611.33 mi (983.85 km) |
| Monaghan to Ratzeburg | 719.22 mi (1,157.48 km) |
| Monaghan to Raubling | 937.41 mi (1,508.61 km) |
| Monaghan to Rauenberg | 751.26 mi (1,209.04 km) |
| Monaghan to Raunheim | 714.46 mi (1,149.81 km) |
| Monaghan to Ravensburg | 844.85 mi (1,359.66 km) |
| Monaghan to Recke | 618.95 mi (996.10 km) |
| Monaghan to Recklinghausen | 615.65 mi (990.79 km) |
| Monaghan to Regen | 932.53 mi (1,500.76 km) |
| Monaghan to Regensburg | 889.90 mi (1,432.16 km) |
| Monaghan to Regenstauf | 887.85 mi (1,428.86 km) |
| Monaghan to Rehau | 846.26 mi (1,361.92 km) |
| Monaghan to Rehburg-Loccum | 677.15 mi (1,089.76 km) |
| Monaghan to Rehlingen-Siersburg | 671.91 mi (1,081.34 km) |
| Monaghan to Reichelsheim | 740.00 mi (1,190.92 km) |
