| River Grove to Mansfield | 3,861.73 mi (6,214.85 km) |
| River Grove to March | 3,928.05 mi (6,321.58 km) |
| River Grove to Margate | 4,014.64 mi (6,460.94 km) |
| River Grove to Market Drayton | 3,820.80 mi (6,148.99 km) |
| River Grove to Market Harborough | 3,892.60 mi (6,264.53 km) |
| River Grove to Marlow | 3,926.49 mi (6,319.08 km) |
| River Grove to Marple | 3,821.97 mi (6,150.86 km) |
| River Grove to Marton | 3,819.55 mi (6,146.96 km) |
| River Grove to Maryport | 3,731.27 mi (6,004.90 km) |
| River Grove to Matlock | 3,848.70 mi (6,193.89 km) |
| River Grove to Melksham | 3,880.70 mi (6,245.39 km) |
| River Grove to Meltham | 3,823.98 mi (6,154.11 km) |
| River Grove to Melton Mowbray | 3,884.93 mi (6,252.19 km) |
| River Grove to Merthyr Tudful | 3,821.56 mi (6,150.21 km) |
| River Grove to Methil | 3,707.75 mi (5,967.04 km) |
