| Somerville to Castle Pines (Colorado) | 1,762.74 mi (2,836.85 km) |
| Somerville to Castle Rock (Colorado) | 1,763.68 mi (2,838.37 km) |
| Somerville to Castro Valley (California) | 2,674.21 mi (4,303.73 km) |
| Somerville to Catalina Foothills (Arizona) | 2,270.25 mi (3,653.62 km) |
| Somerville to Cataño (Puerto Rico) | 1,680.39 mi (2,704.32 km) |
| Somerville to Cathedral City (California) | 2,504.69 mi (4,030.90 km) |
| Somerville to Catonsville (Maryland) | 365.42 mi (588.09 km) |
| Somerville to Cave Spring (Virginia) | 591.74 mi (952.32 km) |
| Somerville to Cayce (South Carolina) | 793.92 mi (1,277.68 km) |
| Somerville to Cayey (Puerto Rico) | 1,702.21 mi (2,739.45 km) |
| Somerville to Cedar City (Utah) | 2,222.27 mi (3,576.39 km) |
| Somerville to Cedar Falls (Iowa) | 1,085.63 mi (1,747.15 km) |
| Somerville to Cedar Hill (Texas) | 1,562.95 mi (2,515.32 km) |
| Somerville to Cedar Lake (Indiana) | 842.10 mi (1,355.22 km) |
| Somerville to Cedar Mill (Oregon) | 2,535.59 mi (4,080.63 km) |
