| Upper Grand Lagoon to Owosso (Michigan) | 890.42 mi (1,432.99 km) |
| Upper Grand Lagoon to Oxford (Alabama) | 236.95 mi (381.33 km) |
| Upper Grand Lagoon to Oxford (Mississippi) | 364.71 mi (586.94 km) |
| Upper Grand Lagoon to Oxford (Ohio) | 647.59 mi (1,042.19 km) |
| Upper Grand Lagoon to Oxnard (California) | 1,966.37 mi (3,164.57 km) |
| Upper Grand Lagoon to Oxon Hill (Maryland) | 776.38 mi (1,249.47 km) |
| Upper Grand Lagoon to Ozark (Alabama) | 88.74 mi (142.81 km) |
| Upper Grand Lagoon to Ozark (Missouri) | 640.00 mi (1,029.98 km) |
| Upper Grand Lagoon to Pace (Florida) | 90.49 mi (145.63 km) |
| Upper Grand Lagoon to Pacific Grove (California) | 2,121.37 mi (3,414.02 km) |
| Upper Grand Lagoon to Pacifica (California) | 2,154.29 mi (3,466.99 km) |
| Upper Grand Lagoon to Paducah (Kentucky) | 505.22 mi (813.07 km) |
| Upper Grand Lagoon to Pahrump (Nevada) | 1,790.82 mi (2,882.05 km) |
| Upper Grand Lagoon to Painesville (Ohio) | 836.56 mi (1,346.31 km) |
| Upper Grand Lagoon to Palatine (Illinois) | 835.44 mi (1,344.50 km) |
