| Walnut Creek to Montijo | 5,733.14 mi (9,226.59 km) |
| Walnut Creek to Montilla | 5,874.13 mi (9,453.50 km) |
| Walnut Creek to Montmelo | 5,921.85 mi (9,530.30 km) |
| Walnut Creek to Montornes del Valles | 5,922.96 mi (9,532.09 km) |
| Walnut Creek to Montoro | 5,862.41 mi (9,434.63 km) |
| Walnut Creek to Monzon | 5,833.12 mi (9,387.49 km) |
| Walnut Creek to Mora | 5,803.02 mi (9,339.05 km) |
| Walnut Creek to Moralzarzal | 5,747.01 mi (9,248.92 km) |
| Walnut Creek to Moron de la Frontera | 5,864.98 mi (9,438.77 km) |
| Walnut Creek to Mostoles | 5,767.63 mi (9,282.11 km) |
| Walnut Creek to Motril | 5,958.28 mi (9,588.92 km) |
| Walnut Creek to Muchamiel | 5,989.50 mi (9,639.17 km) |
| Walnut Creek to Mula | 5,970.00 mi (9,607.79 km) |
| Walnut Creek to Munguia | 5,654.76 mi (9,100.45 km) |
| Walnut Creek to Murcia | 5,986.16 mi (9,633.79 km) |
