| Karlovac to Masquefa | 740.20 mi (1,191.23 km) |
| Karlovac to Matadepera | 727.36 mi (1,170.58 km) |
| Karlovac to Mazarron | 1,025.16 mi (1,649.83 km) |
| Karlovac to Meco | 1,009.65 mi (1,624.87 km) |
| Karlovac to Medina del Campo | 1,064.17 mi (1,712.61 km) |
| Karlovac to Medina Sidonia | 1,275.65 mi (2,052.97 km) |
| Karlovac to Mejorada del Campo | 1,017.26 mi (1,637.12 km) |
| Karlovac to Meliana | 906.20 mi (1,458.40 km) |
| Karlovac to Mengibar | 1,121.21 mi (1,804.41 km) |
| Karlovac to Merida | 1,204.21 mi (1,937.99 km) |
| Karlovac to Miajadas | 1,183.32 mi (1,904.37 km) |
| Karlovac to Mieres | 1,061.41 mi (1,708.17 km) |
| Karlovac to Miguelturra | 1,090.90 mi (1,755.63 km) |
| Karlovac to Mijas | 1,212.76 mi (1,951.75 km) |
| Karlovac to Miranda de Ebro | 935.30 mi (1,505.22 km) |
