| Montignoso to Carson (California) | 6,156.19 mi (9,907.43 km) |
| Montignoso to Carson City (Nevada) | 5,897.83 mi (9,491.65 km) |
| Montignoso to Carteret (New Jersey) | 4,120.85 mi (6,631.87 km) |
| Montignoso to Cartersville (Georgia) | 4,850.55 mi (7,806.20 km) |
| Montignoso to Carthage (Missouri) | 5,110.48 mi (8,224.53 km) |
| Montignoso to Cary (Illinois) | 4,637.05 mi (7,462.61 km) |
| Montignoso to Cary (North Carolina) | 4,517.26 mi (7,269.82 km) |
| Montignoso to Casa de Oro-Mount Helix (California) | 6,174.96 mi (9,937.63 km) |
| Montignoso to Casa Grande (Arizona) | 5,987.88 mi (9,636.56 km) |
| Montignoso to Casas Adobes (Arizona) | 5,991.84 mi (9,642.94 km) |
| Montignoso to Cascades (Virginia) | 4,319.14 mi (6,950.99 km) |
| Montignoso to Casper (Wyoming) | 5,269.85 mi (8,481.01 km) |
| Montignoso to Casselberry (Florida) | 4,941.85 mi (7,953.15 km) |
| Montignoso to Castaic (California) | 6,131.43 mi (9,867.59 km) |
| Montignoso to Castle Pines (Colorado) | 5,394.29 mi (8,681.27 km) |
