| San Marcos to Norton (Ohio) | 2,017.55 mi (3,246.93 km) |
| San Marcos to Norton Shores (Michigan) | 1,804.41 mi (2,903.92 km) |
| San Marcos to Norwalk (California) | 74.72 mi (120.25 km) |
| San Marcos to Norwalk (Connecticut) | 2,445.82 mi (3,936.16 km) |
| San Marcos to Norwalk (Iowa) | 1,407.74 mi (2,265.54 km) |
| San Marcos to Norwalk (Ohio) | 1,968.83 mi (3,168.53 km) |
| San Marcos to Norwich (Connecticut) | 2,514.17 mi (4,046.17 km) |
| San Marcos to Norwood (Ohio) | 1,861.72 mi (2,996.14 km) |
| San Marcos to Novato (California) | 456.69 mi (734.97 km) |
| San Marcos to Novi (Michigan) | 1,933.85 mi (3,112.24 km) |
| San Marcos to O'Fallon (Illinois) | 1,565.98 mi (2,520.20 km) |
| San Marcos to O'Fallon (Missouri) | 1,524.31 mi (2,453.14 km) |
| San Marcos to Oak Creek (Wisconsin) | 1,718.87 mi (2,766.26 km) |
| San Marcos to Oak Forest (Illinois) | 1,708.22 mi (2,749.11 km) |
| San Marcos to Oak Grove (Oregon) | 896.80 mi (1,443.27 km) |
