| Grefrath to Marianske Lazne | 294.20 mi (473.46 km) |
| Grefrath to Melnik | 361.12 mi (581.17 km) |
| Grefrath to Milovice | 380.99 mi (613.15 km) |
| Grefrath to Mlada Boleslav | 378.56 mi (609.23 km) |
| Grefrath to Mnichovo Hradiste | 379.73 mi (611.12 km) |
| Grefrath to Mohelnice | 476.24 mi (766.43 km) |
| Grefrath to Moravska Trebova | 465.75 mi (749.56 km) |
| Grefrath to Most | 322.82 mi (519.52 km) |
| Grefrath to Nachod | 432.57 mi (696.16 km) |
| Grefrath to Neratovice | 364.56 mi (586.70 km) |
| Grefrath to Nova Paka | 403.58 mi (649.50 km) |
| Grefrath to Nove Mesto na Morave | 445.06 mi (716.26 km) |
| Grefrath to Nove Mesto nad Metuji | 433.16 mi (697.11 km) |
| Grefrath to Novy Bor | 358.88 mi (577.56 km) |
| Grefrath to Novy Jicin | 526.54 mi (847.38 km) |
