| Monaghan to Plombieres | 594.22 mi (956.30 km) |
| Monaghan to Pont-a-Celles | 542.34 mi (872.81 km) |
| Monaghan to Poperinge | 469.43 mi (755.48 km) |
| Monaghan to Profondeville | 566.18 mi (911.18 km) |
| Monaghan to Putte | 533.42 mi (858.46 km) |
| Monaghan to Puurs | 519.16 mi (835.51 km) |
| Monaghan to Quaregnon | 527.16 mi (848.39 km) |
| Monaghan to Raeren | 602.27 mi (969.26 km) |
| Monaghan to Ranst | 525.30 mi (845.39 km) |
| Monaghan to Ravels | 537.31 mi (864.72 km) |
| Monaghan to Retie | 542.99 mi (873.86 km) |
| Monaghan to Riemst | 578.39 mi (930.83 km) |
| Monaghan to Rijkevorsel | 528.83 mi (851.07 km) |
| Monaghan to Rixensart | 541.21 mi (870.99 km) |
| Monaghan to Rochefort | 586.94 mi (944.58 km) |
