| Martha Lake to Celano | 5,662.73 mi (9,113.28 km) |
| Martha Lake to Cento | 5,447.46 mi (8,766.84 km) |
| Martha Lake to Cepagatti | 5,657.89 mi (9,105.50 km) |
| Martha Lake to Ceprano | 5,694.40 mi (9,164.25 km) |
| Martha Lake to Cercola | 5,756.40 mi (9,264.03 km) |
| Martha Lake to Cerea | 5,417.86 mi (8,719.20 km) |
| Martha Lake to Cerese | 5,415.48 mi (8,715.37 km) |
| Martha Lake to Cerignola | 5,768.78 mi (9,283.95 km) |
| Martha Lake to Cermenate | 5,335.64 mi (8,586.89 km) |
| Martha Lake to Cernusco sul Naviglio | 5,352.73 mi (8,614.38 km) |
| Martha Lake to Cerreto Guidi | 5,495.57 mi (8,844.26 km) |
| Martha Lake to Cerro Maggiore | 5,338.23 mi (8,591.04 km) |
| Martha Lake to Certaldo | 5,512.61 mi (8,871.69 km) |
| Martha Lake to Cerveteri | 5,632.14 mi (9,064.06 km) |
| Martha Lake to Cervia | 5,501.98 mi (8,854.59 km) |
